1075575257 has 2 divisors, whose sum is σ = 1075575258. Its totient is φ = 1075575256.

The previous prime is 1075575239. The next prime is 1075575343. The reversal of 1075575257 is 7525755701.

It is a weak prime.

It can be written as a sum of positive squares in only one way, i.e., 860776921 + 214798336 = 29339^2 + 14656^2 .

It is an emirp because it is prime and its reverse (7525755701) is a distict prime.

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2^k-1075575257 is a prime.

It is not a weakly prime, because it can be changed into another prime (1075575157) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 537787628 + 537787629.

It is an arithmetic number, because the mean of its divisors is an integer number (537787629).

Almost surely, 2^1075575257 is an apocalyptic number.

It is an amenable number.

1075575257 is a deficient number, since it is larger than the sum of its proper divisors (1).

1075575257 is an equidigital number, since it uses as much as digits as its factorization.

1075575257 is an evil number, because the sum of its binary digits is even.

The product of its (nonzero) digits is 428750, while the sum is 44.

The square root of 1075575257 is about 32795.9640352285. The cubic root of 1075575257 is about 1024.5825012363.

The spelling of 1075575257 in words is "one billion, seventy-five million, five hundred seventy-five thousand, two hundred fifty-seven".